FKIE_CVE-2022-43748
Vulnerability from fkie_nvd - Published: 2022-10-26 10:15 - Updated: 2026-06-17 05:07
Severity
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7.5 (High) - CVSS:3.1/
Summary
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in file operation management in Synology Presto File Server before 2.1.2-1601 allows remote attackers to write arbitrary files via unspecified vectors.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| synology | presto_file_server | * |
{
"affected": [
{
"affectedData": [
{
"product": "Presto File Server",
"vendor": "Synology",
"versions": [
{
"lessThan": "2.1.2-1601",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"source": "security@synology.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:synology:presto_file_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5C86A5D6-9DC2-4B8C-A1E6-55F374D87714",
"versionEndExcluding": "2.1.2-1601",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Improper limitation of a pathname to a restricted directory (\u0027Path Traversal\u0027) vulnerability in file operation management in Synology Presto File Server before 2.1.2-1601 allows remote attackers to write arbitrary files via unspecified vectors."
},
{
"lang": "es",
"value": "Una limitaci\u00f3n inapropiada de un nombre de ruta a un directorio restringido (\"Salto de Ruta\") es una vulnerabilidad en la administraci\u00f3n de operaciones de archivos en Synology Presto File Server versiones anteriores a 2.1.2-1601, que permite a atacantes remotos escribir archivos arbitrarios por medio de vectores no especificados"
}
],
"id": "CVE-2022-43748",
"lastModified": "2026-06-17T05:07:14.187",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4,
"source": "security@synology.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2022-43748",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-25T19:05:24.558277Z",
"version": "2.0.3"
}
}
]
},
"published": "2022-10-26T10:15:17.297",
"references": [
{
"source": "security@synology.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.synology.com/security/advisory/Synology_SA_22_19"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.synology.com/security/advisory/Synology_SA_22_19"
}
],
"sourceIdentifier": "security@synology.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-22"
}
],
"source": "security@synology.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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